Justwin Technologies Inc, the provider of Collaborative Product Commerce (CPC) solutions for the fashion industry, has appointed Mr Ralph Wollner to its Board of Directors.    Mr Wollner is sole director of Greyhair.com Pty Ltd, a consultancy and advisory services company. He also is a director and shareholder of Australian Distributed Incubator (ADI), which advises start-ups and established business leaders, and Advanced Material Systems, a distributor of innovative components for industrial and consumer goods. Ralph has more than fifteen years textile industry experience. He is currently Adjunct Professor in the School of Fashion and Textile at RMIT University.